Dale, H., Haslam, J., Kirkby, D., Lê, H. L., Preston, R., & Wise, G. (2007). Number activities: Vui học số. T.P. Hồ Chí Minh: Tổng hợp T.P. Hồ Chí Minh.
শিকাগো স্টাইলে সাইটেশনDale, Heather, John Haslam, David Kirkby, Huy Lâm Lê, Roy Preston, এবং Graham Wise. Number Activities: Vui Học Số. T.P. Hồ Chí Minh: Tổng hợp T.P. Hồ Chí Minh, 2007.
এমএলএ সাইটেশনDale, Heather, et al. Number Activities: Vui Học Số. T.P. Hồ Chí Minh: Tổng hợp T.P. Hồ Chí Minh, 2007.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.